93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
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/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include <iostream>
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#include "bindings/lua/leanlua_state.h"
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#ifdef LEAN_USE_LUA
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#include <lua.hpp>
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#include <mutex>
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#include "util/exception.h"
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#include "bindings/lua/name.h"
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#include "bindings/lua/numerics.h"
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#include "bindings/lua/options.h"
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#include "bindings/lua/sexpr.h"
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namespace lean {
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struct leanlua_state::imp {
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lua_State * m_state;
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std::mutex m_mutex;
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imp() {
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m_state = luaL_newstate();
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luaL_openlibs(m_state);
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lean::open_name(m_state);
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lean::open_mpz(m_state);
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lean::open_mpq(m_state);
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lean::open_options(m_state);
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lean::open_sexpr(m_state);
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}
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~imp() {
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lua_close(m_state);
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}
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void exec() {
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int result = lua_pcall(m_state, 0, LUA_MULTRET, 0);
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if (result)
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throw exception(lua_tostring(m_state, -1));
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}
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void dofile(char const * fname) {
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std::lock_guard<std::mutex> lock(m_mutex);
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int result = luaL_loadfile(m_state, fname);
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if (result)
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throw exception(lua_tostring(m_state, -1));
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exec();
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}
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void dostring(char const * str) {
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std::lock_guard<std::mutex> lock(m_mutex);
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int result = luaL_loadstring(m_state, str);
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if (result)
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throw exception(lua_tostring(m_state, -1));
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exec();
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}
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};
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leanlua_state::leanlua_state():
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m_ptr(new imp()) {
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}
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leanlua_state::~leanlua_state() {
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}
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void leanlua_state::dofile(char const * fname) {
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m_ptr->dofile(fname);
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}
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void leanlua_state::dostring(char const * str) {
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m_ptr->dostring(str);
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}
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}
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#else
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leanlua_state::leanlua_state() {
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}
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leanlua_state::~leanlua_state() {
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}
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[[ noreturn ]] void throw_lua_not_supported() {
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throw exception("Lean was compiled without Lua support");
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}
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void leanlua_state::dofile(char const * fname) {
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throw_lua_not_supported();
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}
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void leanlua_state::dostring(char const * str) {
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throw_lua_not_supported();
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}
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#endif
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